CVS commit: [netbsd-9] src/sys/dev/sun

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Mon May  4 13:58:17 UTC 2020

Modified Files:
        src/sys/dev/sun [netbsd-9]: disksubr.c

Log Message:
Pull up following revision(s) (requested by jdc in ticket #886):

        sys/dev/sun/disksubr.c: revision 1.17

If the sector size is 0, return early in readdisklabel().
Prevents a panic trying to use a 0-sized buffer, which can happen if we run
(e.g.) `scsictl /dev/cd0c identify` with no medium in the CD drive.


To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.16.4.1 src/sys/dev/sun/disksubr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.